1: 76 percent / hydrazine monohydrate, KOH / bis-(2-hydroxy-ethyl) ether / 6 h / Heating 2: 58 percent / 2,3-dichloro-5,6-dicyanoquinone / benzene / 2.5 h / Heating View Scheme

With  aluminium trichloride in  dichloromethane 4 h;  Ambient temperature;   

With  potassium hydroxide; hydrazine hydrate in  diethylene glycol 6 h;  Heating;